CVE-2005-1513

Qmail vulnerability

CVSS

9.8

EPSS

10.8%

EPSS pct

95th

Exploited

No known

Integer overflow in the stralloc_readyplus function in qmail, when running on 64 bit platforms with a large amount of virtual memory, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a large SMTP request.

Affected vendor

Qmail Project

Affected product

Qmail

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-190 — Integer Overflow or Wraparound

Published

2005-05-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 10.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2005-1513

Confirm whether Qmail Project Qmail is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-1513.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-1513

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-1513 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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